pendor/gentoo-zfs-overlay — comment on commit 7d2560554ffe9e9773055c45fb7af114cf6de2ee
File: sys-fs/zfs/zfs-9999.ebuild line 63
By gentoofan:

It might be better to use --exec-prefix= here. This is what I did to the portage ebuilds to address a bug reported to Gentoo:

https://bugs.gentoo.org/show_bug.cgi?id=365485